<html>
<head>
    <link href="//cdn.bootcss.com/zui/1.5.0/css/zui.lite.css" rel="stylesheet">
</head>
<body>
<div class="has-success">
    <input class="form-control" type="text" placeholder="请输入查询条件">
    <button id="clickBtn">点击</button>
</div>
<div id="msg"></div>
<table id="userTable" class="table table-bordered table-striped table-hover">
    <tr>
        <td>id</td>
        <td>年龄</td>
        <td>姓名</td>
        <td>生日</td>
    </tr>
</table>

<script src="//cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script>
<script src="ajaxDemo.js"></script>
</body>